Home / 405,100,067,666.76-607,705,979,797.26-235,199,670,821.64

Finding the Fourth Proportional to 405,100,067,666.76, 607,705,979,797.26 and 235,199,670,821.64

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Solution

The fourth proportional to 405,100,067,666.76, 607,705,979,797.26 and 235,199,670,821.64 is: 352,831,948,974.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,100,067,666.76 : 607,705,979,797.26 = 235,199,670,821.64 : x
  2. Step 2: Convert to fraction form
    405,100,067,666.76/607,705,979,797.26 = 235,199,670,821.64/x
  3. Step 3: Cross multiply
    405,100,067,666.76x = 607,705,979,797.26 × 235,199,670,821.64
  4. Step 4: Simplify right side
    405,100,067,666.76x = 142,932,246,404,657,766,727,680
  5. Step 5: Solve for x
    x = 142,932,246,404,657,766,727,680/405,100,067,666.76
  6. Step 6: Final answer
    x = 352,831,948,974.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.